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电压转换开关 | |||
电压开关 |
voltage switch : 39 phrases in 13 subjects |
Agriculture | 1 |
Air defense | 1 |
Aviation | 1 |
Dermatology | 1 |
Electric machinery | 3 |
Electronics | 6 |
Exhibitions | 1 |
Geophysics | 2 |
Hydroelectric power stations | 2 |
Information technology | 1 |
Mathematics | 1 |
Metallurgy | 3 |
Technology | 16 |